Bicycle frame



FIG. 1 is a perspective view of a bicycle frame embodying the present invention.

FIG. 2 is a right side view of the bicycle frame of FIG. 1.

FIG. 3 is a left side view of the bicycle frame of FIG. 1.

FIG. 4 is a front view of the bicycle frame of FIG. 1.

FIG. 5 is a rear view of the bicycle frame of FIG. 1.

FIG. 6 is a top view of the bicycle frame of FIG. 1; and,

FIG. 7 is a bottom view of the bicycle frame of FIG. 1. 

CLAIM I claim the ornamental design for a bicycle frame, as shown and described. 